ccna题库_401-450(4)

A. Switch3 B. Switch4 C. Switch2 D. Switch1

QUESTION 423

Which three elements must be used when you configure a router interface for vlan trunking?(choose three)

A. one IP network or subnetwork for each subinterface B. subinterface numbering that matches vlan tages

C. subinterface encapsulation identifiers that match vlan tags D. a management domain for each subinterface E. one physical interface for each subinterface F. one subinterface per vlan

QUESTION 424

A receiving host computes the checksum on a frame and determines that the frame is damaged. The frame is then discarded. At which OSI layer did this happen?

A. session B. network C. physical D. data link E. transport

QUESTION 425

A router receives information about network 192.168.10.0/24 from multiple sources.What will the router consider the most reliable information about the path to that network?

A. an OSPF update for network 192.168.0.0/16 B. a static router to network 192.168.10.0/24

C. a static router to network 192.168.10.0/24 with a local serial interface configured as the next hop

D. a RIP update for network 192.168.10.0/24

E. a directly connected interface with an address of 192.168.10.254/24 F. a default route with a next hop address of 192.168.10.1

QUESTION 426

Which two statements describe the advantages to the use of RIP over the use of OSPF?(choose two)

A. RIP requires less time to converge

B. RIP uses less bandwidth C. RIP is less complex to configure D. RIP demands fewer router resources E. RIP has a more accurate metric

QUESTION 427

Which statement about vlan operation on cisco catalyst switches is true?

A. when a packet is received from an 802.1Q trunk,the vlan id can be determined from the source MAC address table.

B. unkown unicast frames are retransmitted only to the ports that belong to the same vlan

C. ports between switches should be configured in access mode so that vlans can span across the ports

D. broadcast and multicast frames are retransmitted to ports that are configured on different vlan.

QUESTION 428

Which commands are required to properly configure a router to run OSPF and to add network 192.168.16.0/24 to OSPF area 0?(choose two) A. Router(config)#router ospf 1 B. Router(config)#router ospf 0 C. Router(config)#router ospf area 0

D. Router(config-router)#network 192.168.16.0 0.0.0.255 area 0 E. Router(config-router)#network 192.168.16.0 0.0.0.255 0

F. Router(config-router)#network 192.168.16.0 255.255.255.0 area 0

QUESTION 429

The enable secret command is used to secure access to which CLI mode? A. user EXEC mode

B. global configuration mode C. privileged EXEC mode D. auxiliary setup mode

QUESTION 430

Refer to the exhibit.Explain how the routes in the table are being affected by the status change on interface Ethernet0.

A. The router is poisoning the routes and multicasting the new path costs via interface Ethernet1.

B. The router is receiving updates about unreachable networks from router that are

connected to interface Ethernet1.

C. The router is poisoning the routes and broadcasting the new path costs via interface Ethernet1.

D. The router is requesting updates for these networks from routers that are connected to interface Etherne1.

QUESTION 431

In which integration method is an IPV6 packet encapsulated within an IPV4 protocol? A. proxy. B. dual-stack C. tunneling D. dot1q

QUESTION 432

Which two commands can be used to verify a trunk link configurationt status on a given cisco switch? (choose two) A. show interface B. show interface trunk C. show interface switchport D. show ip interface brief E. show interfaces vlan

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